조유하

Park Seon-yoo

Choi Ro-woon

Ahn Jeong-gook

Yang So-min

Yoon Na-hee

김선화

Jeong-gook's Mother

이휘종

Homeroom Teacher Hong

이선희

In-kyeong

Won Mi-won

Grandmother

Lee Do-hyeon

Seon-yoo's Father